Which of the following statements are TRUE about diaphragm:1. Left side pushed down by hea2. Left side lower than right3. Right side lower than left4. Right side pushed up by liver5. Hernia common on left because of weak origin
High-Yield Explanation
"The convex dome of diaphragm on right side is higher because of large size of the right lobe of liver" Level of diaphragm:Site of diaphragmatic herniaRight dome: Upper border of 5th rib (about 2.5 cm higher than left side)Left dome: Lower border of 5th ribCentral tendon: Xiphisternal jointThe pleuroperitoneal canal is (more on the left side; caused by failure of fusion of the septum transversum with the pleuroperitoneal membrane), the opening between the xiphoid and costal origin of the diaphragm. 98% of diaphragmatic hernias are esophageal hiatus hernia. Also know:When seen from the side, diaphragm has the appearance of an inveed J shape.Diaphragm derives its motor supply from phrenic nerve.